#include<bits/stdc++.h>
#define ONLINE_JUDGE
#define ll long long
#define ull unsigned long long
using namespace std;

const ll N = 1e6 + 10, INF = 0x3f3f3f3f3f3f3f3f;

ll n, m;
vector <pair<ll, ll>> g[N];
ll ans[N];
bool st[N];

void bfs(ll s)
{
    queue<ll> q;q.push(s);st[s] = 1;
    while (!q.empty()) {
        ll x = q.front();q.pop();
        for (auto [y, w] : g[x]) {
            if (st[y]) continue;
            ans[y] = ans[x] + w;
            st[y] = 1;
            q.push(y);
        }
    }
}

void solve()
{
    cin >> n >> m;
    for (ll i = 1;i <= m;i++) {
        ll x, y, w;
        cin >> x >> y >> w;
        g[x].push_back({ y,w });
        g[y].push_back({ x,-w });
    }

    for (ll i = 1;i <= n;i++) if (st[i] == 0) bfs(i);
    for (ll i = 1;i <= n;i++)  cout << ans[i] << ' ';
}

signed main()
{
    // ios::sync_with_stdio(0);
    // cin.tie(0);cout.tie(0);
#ifndef ONLINE_JUDGE
    std::istringstream in(R"()");
    std::cin.rdbuf(in.rdbuf());
#endif
    ll T = 1;
    //cin>>T;
    for (ll i = 1;i <= T;i++) {
        solve();
    }
}